“unable to establish”可以造什么句，unable to establish造句

If no peacetime to grammar accurately mastering and persistent aloud, is unable to establish a good language sense.

At this time, the development of capitalism in Britain was no faster than that in the Eastern Empire of the Ming Dynasty, and the new aristocracy and the bourgeoisie were unable to establish their own bourgeois state.

Second, the development of the contemporary building materials industry makes the change of traditional"building"concept, the"authenticity"of material has been already unable to establish.

What percent of people are unable to establish an audio conversation?